/**
* function displayForumIndex
*
* @param object $userObj
* @param integer $id_course
* @param integer $expand_index
* @param string $order
* @param integer $id_course_instance
* @param string $container_div_name
* @return string -
*/
public static function displayForumIndex($userObj, $id_course, $expand_index, $order, $id_course_instance, $with_icons = NULL, $container_div_name = NULL)
{
$dh = $GLOBALS['dh'];
$show_visits = !$GLOBALS['hide_visits'];
/**
*
*/
if (!isset($id_course_instance)) {
//return "";
return new CText('');
}
// vito, 3 ottobre 2008
$container_div = "";
if ($container_div_name != NULL) {
$container_div = $container_div_name;
} else {
$container_div = 'id_forum_index';
}
$show_icons = FALSE;
if ($with_icons) {
$show_icons = TRUE;
}
$callback_params = array('container_div' => $container_div);
if ($order == 'chrono' || $order == 'struct') {
$order_by_date = TRUE;
} else {
$order_by_date = FALSE;
}
/*
* Get tutor id for this course instance
*/
$class_tutor_id = $dh->course_instance_tutor_get($id_course_instance);
if (AMA_DataHandler::isError($class_tutor_id)) {
return $class_tutor_id;
}
$callback_params['user_id'] = $userObj->getId();
$callback_params['class_tutors_ids'] = $class_tutor_id;
$callback_params['show_icons'] = $show_icons;
$forum_data = $dh->get_notes_for_this_course_instance($id_course_instance, $userObj->id_user, $order_by_date, $show_visits);
switch ($userObj->tipo) {
// sarebbe meglio $userObj->getType()
case AMA_TYPE_AUTHOR:
$callback = 'forumAuthorCallback';
break;
case AMA_TYPE_TUTOR:
$callback = 'forumTutorCallback';
$callback_params['id_course_instance'] = $id_course_instance;
break;
case AMA_TYPE_STUDENT:
$callback = 'forumStudentCallback';
$callback_params['id_course_instance'] = $id_course_instance;
break;
}
if (AMA_DataHandler::isError($forum_data)) {
return $forum_data;
} else {
//retrieving data about nodes' visits
//first: retrieve visits data about all nodes of selected course and arrange them into an associative array
$someone_there_data = array();
$tmp_someone_there_data = ADALoggableUser::is_someone_there_courseFN($id_course_instance);
if (!empty($tmp_someone_there_data)) {
foreach ($tmp_someone_there_data as $v) {
$someone_there_data[$v['id_nodo']][] = $v;
}
}
unset($tmp_someone_there_data);
//free memory
foreach ($forum_data as $k => $v) {
//let's check if there are records for the node
if (isset($someone_there_data[$v['id_nodo']])) {
$forum_data[$k]['is_someone_there'] = count($someone_there_data[$v['id_nodo']]) >= 1;
} else {
$forum_data[$k]['is_someone_there'] = false;
}
}
unset($someone_there_data);
//free memory
}
/*
* Attach the subtrees containing notes to the root node for this course instance.
* This is required in order to display the index.
*/
$forum_root_node = $id_course . '_' . ADA_DEFAULT_NODE;
$notes_parent_nodes = array();
// First, save all the parent ids for the notes in the forum
foreach ($forum_data as $note) {
$notes_parent_nodes[$note['id_nodo']] = TRUE;
}
// Then, if a note has a parent id which is not a note, attach it to
// forum_root_node
for ($i = 0; $i < count($forum_data); $i++) {
if (!isset($notes_parent_nodes[$forum_data[$i]['id_nodo_parent']])) {
$forum_data[$i]['id_nodo_parent'] = $forum_root_node;
}
}
$index = CDOMElement::create('div', "id:{$container_div}");
if ($order == 'chrono') {
$index->addChild(self::ordered($forum_data, $callback, $callback_params, $forum_root_node));
} else {
$index->addChild(self::struct($forum_data, $forum_root_node, $expand_index, $callback, $callback_params));
}
return $index;
}